Example usage for java.security MessageDigest digest

Introduction

In this page you can find the example usage for java.security MessageDigest digest.

Prototype

public byte[] digest(byte[] input)

Source Link

Document

Performs a final update on the digest using the specified array of bytes, then completes the digest computation.

Usage

From source file:Main.java

public static byte[] getMessageDigest(byte[] data, String algorithm) {
    try {/*  w ww  .  jav a  2 s .  c o m*/
        final MessageDigest md = MessageDigest.getInstance(algorithm);
        final byte[] digest = md.digest(data);
        return digest;
    } catch (final NoSuchAlgorithmException e) {
        Log.e(e.getMessage(), e.getMessage());
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static byte[] doubleSha256(byte[] bytes) {
    try {/*from w w w  .j a v  a 2 s .  c  o m*/
        MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
        return sha256.digest(sha256.digest(bytes));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static String SHA1(String input) throws NoSuchAlgorithmException {
    MessageDigest mDigest = MessageDigest.getInstance("SHA1");
    byte[] result = mDigest.digest(input.getBytes());
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < result.length; i++) {
        sb.append(Integer.toString((result[i] & 0xff) + 0x100, 16).substring(1));
    }//w  ww  .j ava 2s  .co  m

    return sb.toString();
}

From source file:Main.java

public static String getMD5(String input) {
    try {//from w  ww .j a va2 s. co m
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] messageDigest = md.digest(input.getBytes());
        BigInteger number = new BigInteger(1, messageDigest);
        String hashtext = number.toString(16);
        // Now we need to zero pad it if you actually want the full 32 chars.
        while (hashtext.length() < 32) {
            hashtext = "0" + hashtext;
        }
        return hashtext;
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

/**
 * Converts a java.lang.String in to a MD5 hashed String
 * @param source the source String/*w w w  .ja v  a2s  .  c  o  m*/
 * @return the MD5 hashed version of the string
 */
public static String md5(String source) {
    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] bytes = md.digest(source.getBytes());
        return getString(bytes);
    } catch (Exception e) {
        return null;
    }
}

From source file:com.appdynamicspilot.util.MD5.java

/**
 * Returns the hashed value of <code>clear</code>.
 *//* w  w  w  .  j a v a 2 s  .c  om*/
public static String hash(String clear) throws Exception {
    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] b = md.digest(clear.getBytes());

        int size = b.length;
        StringBuffer h = new StringBuffer(size);
        for (int i = 0; i < size; i++) {
            int u = b[i] & 255; // unsigned conversion
            if (u < 16) {
                h.append("0" + Integer.toHexString(u));
            } else {
                h.append(Integer.toHexString(u));
            }
        }
        return h.toString();
    } catch (Exception e) {
        throw new Exception(e);
    }
}

From source file:Main.java

public static String sha256(String base) {
    try {// w ww  .  j a v a  2s  .  com
        MessageDigest digest = MessageDigest.getInstance("SHA-256");
        byte[] hash = digest.digest(base.getBytes("UTF-8"));
        StringBuffer hexString = new StringBuffer();

        for (int i = 0; i < hash.length; i++) {
            String hex = Integer.toHexString(0xff & hash[i]);
            if (hex.length() == 1)
                hexString.append('0');
            hexString.append(hex);
        }

        return hexString.toString();
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

From source file:Main.java

/**
 * Converts a java.lang.String in to a SHA hashed String
 * @param source the source String//  w w  w. j  av  a 2  s. c  o m
 * @return the MD5 hashed version of the string
 */
public static String sha(String source) {
    try {
        MessageDigest md = MessageDigest.getInstance("SHA");
        byte[] bytes = md.digest(source.getBytes());
        return getString(bytes);
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static String md5(String value) {
    String result;// w w  w.jav  a  2  s .  c  o  m
    try {
        MessageDigest md = MessageDigest.getInstance("md5");
        result = byteToHexString(md.digest(value.getBytes("utf-8")));
        return result;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return value;
}

From source file:Main.java

public final static String md5(String value) {
    try {//from   w ww.  ja  v  a2  s  . c o  m
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] messageDigest = md.digest(value.getBytes());
        BigInteger number = new BigInteger(1, messageDigest);
        String md5 = number.toString(16);

        while (md5.length() < 32) {
            md5 = "0" + md5;
        }
        return md5;

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return null;
    }
}